fkie_cve-2023-53297
Vulnerability from fkie_nvd
Published
2025-09-16 08:15
Modified
2025-09-16 12:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance' is triggered.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp\n\nconn-\u003echan_lock isn\u0027t acquired before l2cap_get_chan_by_scid,\nif l2cap_get_chan_by_scid returns NULL, then \u0027bad unlock balance\u0027\nis triggered."
    }
  ],
  "id": "CVE-2023-53297",
  "lastModified": "2025-09-16T12:49:16.060",
  "metrics": {},
  "published": "2025-09-16T08:15:39.053",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661ce"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232be"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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